deluxe total core, 4 springs, single head restback,without handle bar. Key Specification-Materials: iron, PP, PVC,foam-easy to ... storage Product Description:1.Material compostion:steel,plastic or foam.2.Easy to use,no matter what fitness level ... loading weight:120kg8.With comfortable seated postion.9.Total core will help you to get fit with ease and ... 6.1KGS/6.5KGS Deluxe abdominal exerciser/total core